
Seamus Dever
Biography
Seamus Dever (born July 27th, 1976) is an American actor, best known for playing Detective Kevin Ryan in the television series Castle (2009).
Gallery



Known For
Acting History
2024
Tracker as Max Miller
2023A Great Divide as Ranger Tom Drake
2023Invitation to a Murder as Lawrence Kane
2023Waco: The Aftermath as Andy the German
2023True Lies as Reed
2021NCIS: Hawaiʻi as Scott
2021Kung Fu as Max DeVeer
2020Awaken as Henry Viser
2020Hunters as Tomasz Arndt
2018The Rookie as Chaz Bachman
2018Titans as Trigon
2018Titans as Trigon / Captain Frank Finney
2018Take Two as Todd Garlin
2017Legion as Don Eichman
2017Mindgame as Ray
2016MacGyver as Griggs
2009NCIS: Los Angeles as Alexi Goncharov
2009Dark Blue as Nick Perry
2009Drop Dead Diva as Tyler Mack
2009Castle as Kevin Ryan
2009Ready or Not as Marc
2007Mad Men as Chuck
2007Army Wives as Dr. Chris Ferlinghetti
2006Hollywoodland as Phillip
2005Ghost Whisperer as Rich Henderson
2005Close to Home as Justin Matthews
2005Threshold as Agent Detoro
2005McBride: The Doctor is Out...Really Out as Allen
2005Mystery Woman: Snapshot as Billy
2004CSI: NY as Charles Cooper
2004Nikki and Nora as Officer Paul Cordone
2003Cold Case as Hank Dempsey
2003NCIS as Graham Thomas
2003NCIS as Gabriel LaRoche
2002Without a Trace as Ronald Phelps
2002CSI: Miami as Paul Billings
2002Outside the Law as Rick Michell
2002Monkey Love as Aaron Miles
2002She's No Angel as Cricket
2001Crossing Jordan as Tom Murch
2001Shooting LA as Colin
2000CSI: Crime Scene Investigation as Adam Gilford
2000CSI: Crime Scene Investigation as Drew Rich
1999Undressed as Randy
1998Charmed as Mitchell Haines
1997Pensacola: Wings of Gold as Lewis
1995JAG as Caden Duran
—The Black as Dr. Simon Carver







